Plane



FIG. 1 is a front view of a plane;

FIG. 2 is a rear view of the plane;

FIG. 3 is a right side view of the plane;

FIG. 4 is a left side view of the plane;

FIG. 5 is a top view of the plane; and,

FIG. 6 is a bottom view of the plane. 

The ornamental design for a plane, as shown and described. 